Home / 336,899.40-504,182.70-308,905.80

Finding the Fourth Proportional to 336,899.40, 504,182.70 and 308,905.80

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Solution

The fourth proportional to 336,899.40, 504,182.70 and 308,905.80 is: 462,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,899.40 : 504,182.70 = 308,905.80 : x
  2. Step 2: Convert to fraction form
    336,899.40/504,182.70 = 308,905.80/x
  3. Step 3: Cross multiply
    336,899.40x = 504,182.70 × 308,905.80
  4. Step 4: Simplify right side
    336,899.40x = 155,744,960,289.66
  5. Step 5: Solve for x
    x = 155,744,960,289.66/336,899.40
  6. Step 6: Final answer
    x = 462,289.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.